Skip to main content

Table 1 Results of binary logistic regression analysis of women aged under 35 and 35 and over with preeclampsia (* BMI included)

From: Preeclampsia complicated by advanced maternal age: a registry-based study on primiparous women in Finland 1997–2008

Outcome             <35                 ≥35                 Adjusted P Adjusted OR 95% CI
Preterm delivery (before <34 wk) 830 (5.5) 203 (8.7) <0.000 (* < 0.000) 1.68 (*1.81) 1.43-2.00 (*1.36-2.42)
Preterm delivery (before 37 wk) 2231 (14.5) 457 (19.2) <0.001 (*0,002) 1.39 (*1.36) 1.24-1.56 (*1.12-1.65)
Low Apgar score (<7) at 5 min 276 (5.5) 52 (7.1) 0.048 (*0.122) 1.37 (*1.30) 1.00-1.89 (*0.93-1.83)
SGA (<90th percentile) 3233 (21.0) 632 (26.5) <0.001 (* < 0.001) 1.42 (*1.53) 1.28-1.57 (*1.29-1.82)
Fetal death 28 (0.2) 6 (0.3) 0.781 (*0.964) 1.14 (*0.96) 0.45-2.86 (*0.19-4.98)
Asphyxia 1229 (8.0) 289 (12.1) <0.001 (*0.006) 1.54 (*1.38) 1.34-1.77 (*1.10-1.73)
Cesarean 4928 (31.9) 1192 (50.0) <0.001 (* < 0.001) 2.02 (*1.86) 1.84-2.20 (*1.60-2.17)
Induction 12115 (78.5) 1697 (71.1) <0.001 (*0.001) 0.67 (*0.73) 0.61-0.74 (*0.61-0.87)
Eclampsia 157 (1.0) 20 (0.8) 0.279 (*0.752) 0.77 (*1.13) 0.48-1.23 (*0.54-2.34)
Blood transfusion 244 (1.6) 38 (1.6) 0.311 (*0.437) 0.83 (*0.85) 0.58-1.19 (*0.57-1.27)
Admission to a neonatal unit 3650 (23.6) 755 (31.6) <0.001 (* < 0.001) 1.45 (*1.42) 1.32-1.60 (*1.20-1.65)